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Watch: Who is Hollywood's Top Fashionista?

It's no secret that superstars Halle Berry and Jennifer Lopez always look great on the red carpet, but there can only be one number one -- and of course it has to be the risk-taking Jennifer Lopez!

Check out the video for a look back at the top two stylish stars' unforgettable fashion moments that had our jaws dropping, including Halle's impeccable bejeweled cream Marchesa dress at this year's Oscars, and Jennifer's iconic "Gucci" look at the Metropolitan Museum of Art's Costume Institute gala in May.